AOC G4 U27G4R 27″ 160Hz Monitor

27 inch · 3840 x 2160 · 160 Hz · Fast IPS

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Screen size 27 inch
Resolution 3840 x 2160
Refresh rate 160 Hz
Panel Fast IPS
Response time 1 ms

AOC G4 U27G4R 27″ 160Hz Monitor is a 27-inch monitor with 3840 x 2160 resolution, a 160 Hz refresh rate and Fast IPS panel. The high refresh rate makes fast games look smoother. It came out in 2025.

Released: 2025-03-21

Specifications

Key specs

Screen size: 27 inch
Resolution: 3840 x 2160
Refresh rate: 160 Hz
Panel: Fast IPS
Response time: 1 ms
Released: 2025-03-21
Part number: U27G4R

Display

Display diagonal: 68.6 cm (27")
Display resolution: 3840 x 2160 pixels
HD type: 4K Ultra HD
Native aspect ratio: 16:9
Display technology: LED
Panel type: Fast IPS
LED backlight: Yes
Backlight type: W-LED
Display brightness (typical): 400 cd/m²
Response time: 1 ms
Response time measurement type: GTG (Gray to Gray)
Response time (MPRT): 0.3 ms
Anti-glare screen: Yes
Screen shape: Flat
Contrast ratio (typical): 1000:1
Contrast ratio (dynamic): 80000000:1
Maximum refresh rate: 160 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 16.7 million colours
Pixel density: 163 ppi
Digital horizontal frequency: 30 - 360 kHz
Digital vertical frequency: 48 - 320 Hz
Display diagonal (metric): 68.6 cm
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: DisplayHDR 400
Colour gamut standard: Adobe RGB, DCI-P3, sRGB
sRGB coverage (typical): 124.7%
Adobe RGB coverage: 93.4%
DCI-P3 coverage: 95.9%

Performance

VESA Adaptive Sync support: Yes
Flicker-free technology: Yes
Low Blue Light technology: Yes

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Design

Market positioning: Gaming
Product colour: Black, Red
Frameless design: Yes
Front bezel colour: Black
Detachable stand: Yes

Ports & interfaces

Built-in USB hub: Yes
USB hub version: 3.2 Gen 1 (3.1 Gen 1)
USB upstream port type: USB Type-B
Number of upstream ports: 1
USB Type-A downstream ports quantity: 4
HDMI: Yes
HDMI ports quantity: 2
HDMI version: 2.1
DisplayPorts quantity: 1
DisplayPort version: 1.4
Headphone out: Yes
Headphone outputs: 1
Headphone connectivity: 3.5 mm
HDCP: Yes
HDCP version: 1.4/2.2

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Cable lock slot: Yes
Cable lock slot type: Kensington
Height adjustment: Yes
Adjustable height (max): 13 cm
Pivot: Yes
Pivot angle: -90 - 90°
Swivelling: Yes
Swivel angle range: 30 - 30°
Tilt adjustment: Yes
Tilt angle range: 3.5 - 21.5°
Picture-in-Picture: Yes
On Screen Display (OSD): Yes
On Screen Display (OSD) languages: Simplified Chinese, Traditional Chinese, Czech, Dutch, English, Finnish, French, German, Italian, Japanese, Korean, Croatian, Polish, Portuguese, Russian, Spanish, Swedish, Turkish, Ukrainian
Number of OSD languages: 19

Power

Energy efficiency class (SDR): F
Energy efficiency class (HDR): G
Energy consumption (SDR) per 1000 hours: 25 kWh
Energy consumption (HDR) per 1000 hours: 50 kWh
Power consumption (typical): 34 W
Power consumption (standby): 0.5 W
Power consumption (off): 0.3 W
Power supply type: Internal
Energy efficiency scale: A to G

Weight & dimensions

Width (with stand): 613.9 mm
Depth (with stand): 227.6 mm
Height (with stand): 386 mm
Weight (with stand): 6.35 kg
Width (without stand): 366.3 mm
Depth (without stand): 51.3 mm
Height (without stand): 366.3 mm
Weight (without stand): 4.41 kg

Other features

Brand specific technologies: Crosshair
Low input lag: Yes
FPS counter: Yes
Dial point: Yes
Shadow control: Yes
Motion blur reduction: Yes
Local dimming: Yes
Warranty period: 3 year(s)
Bezel thickness type: Frameless
Compliance certificates: CE
Certification: WEEE,REACH compliant,RoHs compliant,CB,TUV-Bauart-Mark,ISO 9241-307,EAC,FCC

Technical details

Native refresh rate: 60 Hz

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About this product

Dominate your gaming experience with the U27G4R Dual-Frame Monitor, a cutting-edge display offering ultimate flexibility between UHD at 160Hz and FHD at 320Hz. Meet the U27G4R Dual-Frame Monitor, featuring the ability to switch between UHD@160Hz and FHD@320Hz resolutions and refresh rates for ultimate versatility in gaming and content creation. With a Fast IPS panel, 1ms GtG, and 0.5ms MPRT, enjoy ultra-responsive performance and vibrant visuals. HDR400 and G-Sync Compatible ensure smooth, tear-free action, while HDMI 2.1 provides superior connectivity. The ergonomic eSports base design offers comfort during long sessions, making the U27G4R perfect for seamless multitasking and immersive gaming.

User manual (PDF)

U27G4R vs similar monitors

	AOC G4 U27G4R 27″ 160Hz Monitor	ASUS ROG Strix XG27UCSR 27″ 160Hz Monitor	ASUS ROG Strix XG27UCGR-W 27″ 162Hz Monitor	TCL C2 27C2A 27″ 160Hz Monitor
Screen size	27 inch	27 inch	27 inch	27 inch
Resolution	3840 x 2160	3840 x 2160	3840 x 2160	3840 x 2160
Refresh rate	160 Hz	160 Hz	162 Hz	160 Hz
Panel	Fast IPS	Fast IPS	Fast IPS	IPS
Response time	1 ms	1 ms	1 ms	1 ms
Released	2025	2026	2026	2026